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Oksi-84 [34.3K]
3 years ago
5

Find the area of the shaded sector. PLZ HELP!:)

Mathematics
2 answers:
Strike441 [17]3 years ago
8 0

Answer:

Area of whole circle, i.e. 360 degrees = π(8.91)(8.91) = 79.3881 sq. cm

Area of 1 degree = 0.2205225 sq.cm.

Area of 81 degrees = 17.8623225 sq.cm.

sertanlavr [38]3 years ago
6 0

Answer:

<u>56.11</u>

Step-by-step explanation:

i just had the assignment on acellus. it's correct

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Joseph is building a cone using modeling clay. The cone has a radius of 6 cm and a height of 12 cm. Joseph adds additional clay,
dmitriy555 [2]
<span>Cone Volume = (<span>π<span> • r² •<span> h) ÷ 3

Original cone = (3.14 * 6^2 * 12) / 3
</span></span></span></span>
<span><span>Original cone = 452.16 </span> cc

</span>Larger cone =  <span>(3.14 * 6^2 * 18) / 3 = </span> <span> <span> <span> 678.24 </span> </span> </span> cc

Difference = <span>(678.24 -452.16) = </span> <span> <span> <span> 226.08 </span> </span> </span> cc


3 0
3 years ago
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Point C has the coordinates (–1, 4) and point D has the coordinates (2, 0). What is the distance between points C and D?
Bad White [126]

Answer:

5

Step-by-step explanation:

Use the distance formula d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

insert the numbers into the formula d=\sqrt{(2+1)^2+(0-4)^2}

2+1=3 and 0-4=-4

3^2 =9 and -4^{2} = 1

9+16=25

the square root of 25 is 5

6 0
3 years ago
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Which of the following correctly justifies statement 4 of the two-column proof?
slavikrds [6]

Answer:

D.Transitive property of equality

Step-by-step explanation:

We are given that segment JK is parallel to segment LM

We have to prove \angle 3=\angle 6

We have to find which option correctly justifies the statement 4 of the two - column proof.

1.Statement : JK is parallel to segment LM

Reason: Given

2.\angle 7\cong \angle 6

Reason: Vertical angles theorem

3.\angle 3\cong \angle 7

Reason:Corresponding angles theorem

4.\angle 3\cong \angle 6

Reason: Transitive property of equality.

If a=b and b=c then a=c

Hence, option D is true.

3 0
3 years ago
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sattari [20]

Answer:

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Step-by-step explanation:

A. 13.5/3=4.5

B. 38.25/9=4.25

C. 23.4/6=3.9

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5 0
2 years ago
Solve for m. m=-(4+m)+2
pishuonlain [190]

Answer:

m= -1

Step-by-step explanation:

Order summands

2

Apply negation to the value inside parentheses

3

Add the numbers

4

Add 

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5

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